main/scons: upgrade to 3.1.2

main/scons/APKBUILD

 # Contributor:
 # Maintainer:
 pkgname=scons
-pkgver=3.1.1
+pkgver=3.1.2
 pkgrel=0
 pkgdesc="Software construction system"
 url="http://www.scons.org"
@@ -12,18 +12,15 @@ makedepends="py3-setuptools"
 source="https://downloads.sourceforge.net/scons/scons-$pkgver.tar.gz"
 
 build() {
-	cd "$builddir"
 	python3 setup.py build
 }
 
 package() {
-	cd "$builddir"
 	python3 setup.py install --prefix=/usr --root="$pkgdir"
 }
 
 check() {
-	cd "$builddir"
 	python3 setup.py check
 }
 
-sha512sums="2e80b45571679d8acc0554273538f56163488df5aa9007c7c9c3a6deb2698909ab05da8df91502ea287c0cc0ff0a98f226454f67fcfb7a943570f673f4bd8f54  scons-3.1.1.tar.gz"
+sha512sums="bfc0d58d33408a03eb37c1eff166af8139078026e6b43d6274afceac889d0a6743e359e89ad9a30be5ca43aeed26fba92fa4732854750b7d53091ef3e99b3d33  scons-3.1.2.tar.gz"